投資方差是什麽?為啥是0.277^2 ?
所有跟帖:
• 每年回報的 standard deviation, -mobius- ♂ (0 bytes) () 01/12/2024 postreply 16:01:08
• 每年回報的 standard deviation, -mobius- ♂ (0 bytes) () 01/12/2024 postreply 16:01:08
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